<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
				<my-goods :goods="goods"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				queryObj: {
					query: '',
					cid: '',
					pagenum:1,
					pagesize: 10
				},
				goodsList: [],
				total: 0,
				isloading: false,
				
			};
		},
		onLoad(options) {
			//给当前页面赋值参数
			this.queryObj.query = options.query || '' ;
			this.queryObj.cid = options.cid || '' ;
			// console.log(this.queryObj)
			
			//调用商品列表数据的方法
			this.getGoodsList();
		},
		methods: {
			async getGoodsList(cb) {
				this.isloading = true
				const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj);
				this.isloading = false;
				//只要数据请求完毕就立即按需调用cb'回调函数
				cb && cb();
				if(res?.meta?.status !== 200) return uni.$showMsg();
				//拼接新旧数据
				this.goodsList = [...this.goodsList,...res.message.goods];
				this.total = res.message.total;
				
			},
			gotoDetail(goods) {
				uni.navigateTo({
					url:'/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
				})
			}
		},
		onReachBottom() {//上拉加载
			if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
			if(this.isloading) return
			//让页码自增 +1
			this.queryObj.pagenum += 1;
			//重新获取列表数据
			this.getGoodsList()
		},
		onPullDownRefresh() {//下拉刷新
			//重置参数
			this.queryObj.pagenum = 1;
			this.total = 0;
			this.isloading = false;
			this.goodsList = [];
			
			//重新发起请求
			this.getGoodsList(() => uni.stopPullDownRefresh())
			
		}
	}
</script>

<style lang="scss">
	.goods-list {
		
		
	}
</style>
